<template>
  <div class="index">
    <div class="container">
      <div class="banner-box">
        <!-- 导航菜单： -->
        <div class="nav-menu">
          <ul class="menu-wrap">
            <li class="menu-item">
              <a href="javascript:;">手机 电话卡</a>
              <div class="children">
                <ul v-for="(item,index) in menuList" :key="index">
                  <li v-for="(sub,j) in item" :key="j">
                    <a :href="sub?'/#/product/'+sub.id:''">
                      <img :src="sub?sub.img:'/imgs/item-box-1.png'" alt />
                      {{sub?sub.name:'小米9'}}
                    </a>
                  </li>
                </ul>
              </div>
            </li>
            <li class="menu-item">
              <a href="javascript:;">
                电视 盒子
                <div class="children"></div>
              </a>
            </li>
            <li class="menu-item">
              <a href="javascript:;">
                笔记本 平板
                <div class="children"></div>
              </a>
            </li>
            <li class="menu-item">
              <a href="javascript:;">
                家电 插线板
                <div class="children"></div>
              </a>
            </li>
            <li class="menu-item">
              <a href="javascript:;">
                出行 穿戴
                <div class="children"></div>
              </a>
            </li>
            <li class="menu-item">
              <a href="javascript:;">
                智能 路由器
                <div class="children"></div>
              </a>
            </li>
            <li class="menu-item">
              <a href="javascript:;">
                电源 配件
                <div class="children"></div>
              </a>
            </li>
            <li class="menu-item">
              <a href="javascript:;">
                生活 箱包
                <div class="children"></div>
              </a>
            </li>
          </ul>
        </div>
        <swiper :options="swiperOption">
          <!-- slides -->
          <swiper-slide v-for="(item,index) in slideList" :key="index">
            <a v-bind:href="'/#/product/'+item.id">
              <img :src="item.img" alt />
            </a>
          </swiper-slide>
          <!-- Optional controls -->
          <div class="swiper-pagination" slot="pagination"></div>
          <div class="swiper-button-prev" slot="button-prev"></div>
          <div class="swiper-button-next" slot="button-next"></div>
        </swiper>
      </div>
      <div class="adv-box">
        <a :href="'/#/product/'+item.id" v-for="(item,index) in advList" :key="index">
          <img v-lazy="item.img" alt />
        </a>
      </div>
      <div class="banner">
        <a href="'/#/product/30">
          <!-- <img src="/imgs/banner-1.png" alt /> -->
          <img v-lazy="'/imgs/banner-1.png'" alt />
        </a>
      </div>
    </div>
    <!-- 首页产品 -->
    <div class="index-product">
      <div class="container">
        <h2>手机</h2>
        <div class="wrapper">
          <div class="banner-left">
            <a href="/#/product/35">
              <img src="/imgs/mix-alpha.jpg" alt />
            </a>
          </div>
          <div class="list-box">
            <div class="list" v-for="(arr,index) in phoneList" :key="index">
              <div class="item" v-for="(item,j) in arr" :key="j">
                <span :class="{'new-pro':j%2==0}">新品</span>
                <div class="item-img">
                  <img v-lazy="item.mainImage" alt="">
                </div>
                <div class="item-info">
                  <h3>{{item.name}}</h3>
                  <p>{{item.subtitle}}</p>
                  <!-- 添加购物车接口需要传入id -->
                  <p class="price" @click="addCart(item.id)">{{item.price}}元</p>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
    </div>
    <service-bar></service-bar> 
    <modal
           title="提示" 
           sureText="查看购物车"
           btnType="1" 
           modalType="middle" 
           v-bind:showModal='showModal'
           @submit="gotoCart"
           @cancel="cancelModel"
           >
           <!-- 给插槽传值(新的插槽模板语法)： -->
           <template v-slot:body>
              <p>商品添加成功</p>
           </template>
    </modal>   
  </div>
</template>
<script>
import Modal from "./../components/Modal";
import ServiceBar from "./../components/ServiceBar";
import "swiper/dist/css/swiper.css";
import { swiper, swiperSlide } from "vue-awesome-swiper";
export default {
  name: "index",
  components: {
    ServiceBar,
    swiper,
    swiperSlide,
    Modal
  },
  data() {
    return {
      swiperOption: {
        autoplay: 1,
        loop: 1,
        effect: "slide",
        cubeEffect: {
          slideShadows: 0,
          shadow: 0
        },
        pagination: {
          el: ".swiper-pagination",
          clickable: 1
        },
        navigation: {
          nextEl: ".swiper-button-next",
          prevEl: ".swiper-button-prev"
        }
      },
      // 轮播数据：
      slideList: [
        {
          id: "42",
          img: "/imgs/slider/slide-1.jpg"
        },
        {
          id: "45",
          img: "/imgs/slider/slide-2.jpg"
        },
        {
          id: "46",
          img: "/imgs/slider/slide-3.jpg"
        },
        {
          id: "42",
          img: "/imgs/slider/slide-4.jpg"
        },
        {
          id: "42",
          img: "/imgs/slider/slide-5.jpg"
        }
      ],
      // 菜单数据
      menuList: [
        [
          {
            id: "30",
            img: "/imgs/item-box-1.png",
            name: "小米CC9"
          },
          {
            id: "31",
            img: "/imgs/item-box-2.png",
            name: "小米8青春版"
          },
          {
            id: "32",
            img: "/imgs/item-box-3.jpg",
            name: "Redmi K20 Pro"
          },
          {
            id: "33",
            img: "/imgs/item-box-4.jpg",
            name: "移动4G专区"
          }
        ],
        [0, 0, 0, 0],
        [0, 0, 0, 0],
        [0, 0, 0, 0],
        [0, 0, 0, 0],
        [0, 0, 0, 0]
      ],
      // 广告位
      advList: [
        {
          id: 33,
          img: "/imgs/ads/ads-1.png"
        },
        {
          id: 48,
          img: "/imgs/ads/ads-2.jpg"
        },
        {
          id: 45,
          img: "/imgs/ads/ads-3.png"
        },
        {
          id: 47,
          img: "/imgs/ads/ads-4.jpg"
        }
      ],
      phoneList: [

      ],
      showModal:false
    };
  },
  mounted(){
    this.init()
  },
  methods:{
    init(){
      this.axios.get('/products',{
        params:{
          categoryId:100012,
          pageSize:14
        }
      }).then((res)=>{
        // slice不会改变原数组,splice会改变原数组
        // 前六条数据在header.取后八条：
        res.list=res.list.slice(6,14);
        // 分割产品到二维数组:
        this.phoneList=[res.list.slice(0,4),res.list.slice(4,8)];
      })
    },
    cancelModel(){
      this.showModal=false
    },
    addCart(id){
      // 完成登录再做：
      this.axios.post('/carts/',{
        productId:id,
        selected:true
      }).then((res)=>{
        this.showModal=true;
        this.$store.dispatch('saveCartCount',res.cartTotalQuantity);
      }).catch(()=>{
        this.showModal=true
      })
    },
    gotoCart(){
      this.$router.push('/cart')
    }
  }
};
</script>
<style lang="less" scoped>
.index {
  .banner-box {
    position: relative;
    .nav-menu {
      position: absolute;
      left: 0;
      top: 0;
      width: 264px;
      height: 451px;
      z-index: 9;
      padding: 26px 0;
      background-color: #55585a7a;
      .menu-wrap {
        .menu-item {
          height: 50px;
          line-height: 50px;
          &:hover {
            background-color: @colorA;
            .children {
              display: block;
            }
          }
          > a {
            font-size: 16px;
            color: #fff;
            padding-left: 30px;
            display: block;
            position: relative;
            .sl;
            &:after {
              position: absolute;
              right: 30px;
              top: 17.5px;
              content: "";
              .bgImg(10px, 15px, "/imgs/icon-arrow.png");
            }
          }
          .children {
            display: none;
            width: 962px;
            height: 451px;
            position: absolute;
            top: 0;
            left: 264px;
            background-color: @colorG;
            border: 1px solid @colorH;
            ul {
              display: flex;
              justify-content: space-between;
              height: 75px;
              li {
                height: 75px;
                line-height: 75px;
                flex: 1;
                padding-left: 23px;
              }
              a {
                color: @colorB;
                font-size: 14px;
              }
              img {
                width: 42px;
                height: 35px;
                vertical-align: middle;
                margin-right: 15px;
              }
            }
          }
        }
      }
    }
    .swiper-container {
      height: 451px;
      .swiper-button-prev {
        left: 274px;
      }
      img {
        width: 100%;
        height: 100%;
      }
    }
  }
  .adv-box {
    .flex-nowrap-sb;
    margin-top: 14px;
    margin-bottom: 31px;
    a {
      width: 296px;
      height: 167px;
      display: block;
    }
  }
  .banner {
    margin-bottom: 50px;
  }
  .index-product {
    background-color: @colorJ;
    padding: 30px 0 50px;
    h2 {
      font-size: 32px;
      height: 21px;
      line-height: 21px;
      color: @colorB;
      margin-bottom: 20px;
    }
    .wrapper {
      display: flex;
      .banner-left {
        margin-right: 16px;
        img {
          width: 224px;
          height: 619px;
        }
      }
      .list-box {
        .list {
          .flex-wrap-sb;
          width: 986px;
          margin-bottom: 14px;
          &:last-child {
            margin-bottom: 0;
          }
          .item {
            width: 236px;
            height: 302px;
            background-color: @colorG;
            text-align: center;
            span {
              display: inline-block;
              width: 67px;
              height: 24px;
              font-size: 14px;
              line-height: 24px;
              color:@colorG;
              &.new-pro{
                background-color: #7ECF68;
              }
              &.kill-pro{
                background-color: #E82626;
              }
            }
            .item-img {
              img {
                width: 100%;
                height: 195px;
              }
            }
            .item-info {
              h3 {
                font-size: @fontJ;
                color: @colorB;
                line-height: @fontJ;
                font-weight: bold;
              }
              p {
                color: @colorD;
                line-height: 13px;
                margin: 6px auto 13px;
              }
              .price {
                color: #f20a0a;
                font-size: @fontJ;
                font-weight: bold;
                cursor: pointer;
                &::after {
                  content: "";
                  .bgImg(22px, 22px, "/imgs/icon-cart-hover.png");
                  margin-left: 5px;
                  vertical-align: middle;
                }
              }
            }
          }
        }
      }
    }
  }
}
</style>